A break in the skin or a sutured wound shows signs of infection, such as:
· Pus or cloudy fluid is draining from the wound.
· A pimple or yellow crust has formed on the wound.    
· The scab has increased in size.  
· Increasing redness occurs around the wound.
· A red streak is spreading from the wound toward the heart.  
· The wound has become extremely tender.  
· Pain or swelling has increased 48 hours after the wound occurred.  
· The lymph node draining that area of skin may become large and tender.  
· A fever occurs.
· The wound hasn't healed within 10 days after the injury.